4
Operating in EI Mode
To Set Analyzer Temperatures from the Instrument Control View
MSD ion source and Quad temperatures are stored in the current tune (*.u)
file. When a method is loaded, the setpoints in the tune file associated with
that method are downloaded automatically.
Procedure
1 In Instrument Control view, select MS Temperatures from the Instrument menu.
Figure 29
2 Enter the MS Source and MS Quad (mass filter) temperatures in the Setpoint
Table 8
MS Source
MS Quad
98
(See
Figure
29.)
MS temperatures dialog
and Limit fields. (See
Recommended temperature settings
EI operation
250
150
The GC/MSD interface, ion source, and quadrupole heated zones interact.
The analyzer heaters may not be able to accurately control temperatures if
the setpoint for one zone is much different from that of an adjacent zone.
Table
8.)
PCI operation
250
150
NCI operation
150
150
5977B Series MSD Operating Manual